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DragonFly kernel List (threaded) for 2005-01
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Re: strcpy -> strlcpy?

From: Hiten Pandya <hmp@xxxxxxxxxxx>
Date: Wed, 5 Jan 2005 07:17:41 -0500 (EST)

Not to play devil's advocate, but with the contrib framework we have
in place, it shouldn't be much of a trouble to add those in, unless
the GCC guys are ready to merge them.

Hiten Pandya
hmp at freebsd.org

On Tue, 4 Jan 2005, Matthew Dillon wrote:

 ::If you're interested, we've got some simple modifications in the OpenBSD
 ::gcc (both 2.95 and 3.3) which checks for these kinds of errors.  It
 ::does need relevant functions like strlcpy(3) to be marked up with
 ::attributes to indicate which arguments are buffers and which are buffer
 ::I haven't had a chance to feed these back into gcc, but they should be
 ::pretty easy to extract from the OpenBSD tree, and are documented here:
 ::Anil Madhavapeddy                                 http://anil.recoil.org
 ::University of Cambridge                          http://www.cl.cam.ac.uk
 :    Well... I think that might be overkill.  I can see where it would help
 :    people doing large code updates but in all the code I've ever looked at
 :    in FreeBSD and DragonFly I found that sort of sizeof(pointer) conversion
 :    error only once or twice, a few years ago in the FreeBSD tree.  That just
 :    isn't enough to justify maintaining a compiler hack for it.
 :					-Matt
 :					Matthew Dillon 
 :					<dillon@xxxxxxxxxxxxx>

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